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Nom scientifique : Echinacea

Synonyms : none

Part(s) used

Whole plant, especially the root

Principal constituents 

Echinacosides (except in Echinacea purpurea), alkylamides, flavonoids and minerals

Recognized therapeutic effects 

In internal use:

  • Used as support therapy for the treatment of colds, flu and infections of the upper respiratory tract

In external use:

  • Echinacea purpurea only: used to promote healing of wounds and to relieve inflammation of the skin
  • Treatment of colds, flu and infections
  • Relief of sore throat due to colds


  • Asthma or allergies to plants of the sunflower family (ragweed, chrysanthemum, etc). Symptoms of some other allergies may be exacerbated
  • Prolonged use (over 8 weeks)
  • Pregnancy and breastfeeding
  • Immune system dysfunction and autoimmune diseases (multiple sclerosis, collagenosis, lupus, rheumatoid arthritis, etc.)
  • Tuberculosis

Please note: The use of echinacea by people with HIV infection is still a subject of controversy

Drug interactions 

  • None documented

Please note: There are three species of echinacea used in natural products: Echinacea purpurea, for its aerial parts (flowers, leaves and stems) and Echinacea angustifolia and Echinacea pallid for their roots.

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